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国内外旋挖钻机动力头箱体均有进泥浆问题发生。动力头作为旋挖钻机的动力驱动部件,其箱体进泥浆问题造成旋挖钻机被迫停工维修,严重影响了钻机的施工效率。
Domestic and foreign rotary drilling rig power head box have entered the mud problem occurs. As a power driven component of the rotary drilling rig, the power head is forced to suspend maintenance of rotary drilling rig due to the problem of the box body entering the mud, which seriously affects the construction efficiency of the drilling rig.